Base | Representation |
---|---|
bin | 11100000010001111… |
… | …111011001010100000 |
3 | 2212200220011102221102 |
4 | 130002033323022200 |
5 | 443122220000000 |
6 | 21455013013532 |
7 | 2113653012446 |
oct | 340217731240 |
9 | 85626142842 |
10 | 30102500000 |
11 | 11848092881 |
12 | 5a013242a8 |
13 | 2ab96a27a1 |
14 | 1657ccab96 |
15 | bb2b243d5 |
hex | 7023fb2a0 |
30102500000 has 96 divisors (see below), whose sum is σ = 74086333776. Its totient is φ = 12040000000.
The previous prime is 30102499979. The next prime is 30102500017. The reversal of 30102500000 is 520103.
It can be written as a sum of positive squares in 8 ways, for example, as 26429655184 + 3672844816 = 162572^2 + 60604^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2493980 + ... + 2506020.
Almost surely, 230102500000 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30102500000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37043166888).
30102500000 is an abundant number, since it is smaller than the sum of its proper divisors (43983833776).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30102500000 is an frugal number, since it uses more digits than its factorization.
30102500000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12086 (or 12048 counting only the distinct ones).
The product of its (nonzero) digits is 30, while the sum is 11.
The spelling of 30102500000 in words is "thirty billion, one hundred two million, five hundred thousand".
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